Many people may have heard the word "two-way WiFi" for the first time at the launch of Xiaomi 6. What is two-way WiFi? The Snapdragon 835 processor on mobile phones such as Mi 6 and One Plus 5 integrates 2 x 2 MU-MIMO WiFi technology, that is, two-way WiFi. It is truly 802.11ac, which can greatly improve the utilization of network resources.

MU-MIMO， It refers to Multi User Multiple Input Multiple Output. In Chinese, it refers to Multi User Multiple Input Multiple Output technology. Its advantage is to increase the data transmission speed of a single device without taking up additional spectrum. Even when multiple people connect to the router, the performance will not decline. In addition, the signal acceptance range will also be increased. In general, the improvement MU-MIMO brings to users can be clearly perceived.

Measured

How will users perceive it? Here the author uses One Plus 5 with Snapdragon 835 processor, Meizu PRO 7 with MediaTek Helio X30 and Glory 9 with Kirin 960 processor to conduct WiFi performance test, and will test the WiFi speed performance of the three in different use scenarios.

（ Left: one plus 5, middle: glory 9, right: Meizu PRO 7 ）

First, let's take a look at the speed of the test under Speedtest. The three mobile phones all have the same performance, but one plus five has a slight advantage. Next, let's test the actual download speed. Then our first scenario is that three mobile phones are close to the router, use their own browser, download a 490MB file at the same time, and then test the speed:

（ Left: one plus 5, middle: glory 9, right: Meizu PRO 7 ）

It can be seen that when approaching the router, the performance of all three is good. The download speed is about 2MB/s, with a two-way WiFi of one plus five, and even about 3-4MB/s from time to time. However, PRO 7 is relatively unstable, and sometimes falls below 1MB/s.

Slightly distant

Next, I will take them to some places far away, about 3 meters away from the router. First, take a look at the current WiFi signal strength of the three mobile phones. They all lost one WiFi signal.

Continue to test the download speed: the speed of one plus five is kept at about 1.6MB/s, and Glory 9 is also very close, with 1MB/s, while the download speed of PRO 7 fluctuates from 600KB/s to 800KB/s. As mentioned above, when a mobile phone supporting two-way WiFi is used with a router at the same time, it can get good signals even if it is far away.

Extreme operation

Finally, we will carry out an extreme operation and take them to a place far away from the router. At this time, the signals of the three mobile phones are only one grid. First, let's take a look at the subjective experience. Using one plus 5, Glory 9 and Meizu PRO 7 to open a web page at the same time, we can clearly perceive that Snapdragon 835 with two-way WiFi（ One plus five ）When loading a web page, it should be faster.

Next, continue to test the WiFi download speed of the three mobile phones. At this time, you can already feel that they are very hard to download. The speed of one plus five is stable at 600KB/s, and Glory 9 is also good, hovering between 300KB/s - 400KB/s, while Meizu PRO 7 is only 100+KB/s.

Summary

In general, the Snapdragon 835, which integrates 2 x 2 MU-MIMO WiFi technology, can get a good experience no matter what the network environment is facing. Especially in places far away from the router, it can still maintain high WiFi performance, while mobile phones with only 1 x 1 antenna will encounter no signal.

In addition, when many devices are connected to the same router, one plus five with dual WiFi is also good at network grabbing, which is reflected in the performance of three mobile phones downloading files at the same time.

If the router in your home supports MU-MIMO technology, you can get a good experience when using it with a Snapdragon 835 mobile phone. As long as your home area is not surprising, I believe that WiFi signal, connection and speed will not be disappointing.

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